package com.andon.springboot.seed.util;

import com.alibaba.fastjson.JSON;
import com.andon.springboot.seed.api.ApiResponseUtil;

import org.springframework.data.redis.serializer.RedisSerializer;
import org.springframework.data.redis.serializer.SerializationException;

import java.nio.charset.Charset;

import lombok.extern.slf4j.Slf4j;

/**
 * @author: baiwenlong
 * created on: 2018/11/24 9:22 PM
 * description:序列化和反序列化器。
 */
@Slf4j
public class FastJsonRedisSerializer<T> implements RedisSerializer<T> {
    private static final Charset DEFAULT_CHARSET = Charset.forName("UTF-8");
    private Class<T> clazz;

    public FastJsonRedisSerializer(Class<T> clazz) {
        super();
        this.clazz = clazz;
    }

    @Override
    public byte[] serialize(T t) throws SerializationException {
        if (null == t) {
            return new byte[0];
        }
        return JSON.toJSONString(t).getBytes(DEFAULT_CHARSET);
    }

    @Override
    public T deserialize(byte[] bytes) throws SerializationException {
        if (null == bytes || bytes.length <= 0) {
            return null;
        }
        String str = new String(bytes, DEFAULT_CHARSET);
        ApiResponseUtil serverApiResponse = JSON.parseObject(str, ApiResponseUtil.class);
        return (T) serverApiResponse;
    }
}

